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Note 2 - Acquisitions and Divestitures (Details Textual) $ in Thousands |  |  |  | 9 Months Ended | 10 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 15, 2018 USD ($) | Sep. 17, 2018 USD ($) | Jun. 01, 2018 USD ($) | Sep. 30, 2019 USD ($) | Mar. 31, 2019 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Sep. 01, 2019 USD ($) | Dec. 31, 2018 USD ($) | May 06, 2020 USD ($) | Aug. 01, 2016
Payments to Acquire Businesses, Net of Cash Acquired, Total |  |  |  |  |  | $ 11,201 | $ 5,535 |  | $ 934,073 |  |
Goodwill, Purchase Accounting Adjustments |  |  |  |  |  |  | 21,185 |  |  |  |
Borgata [Member] |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  |  |  |  |  |  |  | 50.00%
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax, Total |  |  |  |  |  |  |  |  | 300 |  |
Promissory Note [Member] | Gold Merger Sub [Member] |  |  |  |  |  |  |  |  |  |  |
Notes Payable, Total |  |  |  |  |  |  |  |  |  | $ 57,700 |
Pinnacle Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired, Total | $ 576,100 |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net, Total | $ 615,100 |  |  |  |  |  |  |  |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Current Assets |  |  |  | $ (400) |  |  |  |  |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Property, Plant, and Equipment |  |  |  | (36,700) |  |  |  |  |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles |  |  |  | 39,000 |  |  |  |  |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Current Liabilities |  |  |  | (200) |  |  |  |  |  |  |
Goodwill, Purchase Accounting Adjustments |  |  |  | $ 5,800 |  |  |  |  |  |  |
Pinnacle Acquisition [Member] | Project Development, Preopening, and Writedowns Expense [Member] |  |  |  |  |  |  |  |  |  |  |
Business Combination, Acquisition Related Costs |  |  |  |  |  | 200 | 2,400 |  | 14,500 |  |
Pinnacle Acquisition [Member] | Promissory Note [Member] | Gold Merger Sub [Member] |  |  |  |  |  |  |  |  |  |  |
Notes Payable, Total |  |  |  |  |  |  |  |  |  | $ 57,700 |
Valley Forge Convention Center Partners, L.P. [Member] |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired, Total |  | $ 264,300 |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net, Total |  | $ 289,100 |  |  |  |  |  |  |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Current Assets |  |  |  |  |  |  |  | $ (600) |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Property, Plant, and Equipment |  |  |  |  |  |  |  | 600 |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles |  |  |  |  |  |  |  | (12,000) |  |  |
Goodwill, Purchase Accounting Adjustments |  |  |  |  |  |  |  | 16,500 |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Assets |  |  |  |  |  |  |  | 2,400 |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Liabilities |  |  |  |  |  |  |  | $ 9,200 |  |  |
Valley Forge Convention Center Partners, L.P. [Member] | Project Development, Preopening, and Writedowns Expense [Member] |  |  |  |  |  |  |  |  |  |  |
Business Combination, Acquisition Related Costs |  |  |  |  |  | 200 | 600 |  | 3,600 |  |
Lattner Entertainment Group Illinois, LLC [Member] |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired, Total |  |  | $ 100,000 |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net, Total |  |  | $ 110,500 |  |  |  |  |  |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Current Assets |  |  |  |  | $ 1,000 |  |  |  |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Property, Plant, and Equipment |  |  |  |  | 200 |  |  |  |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles |  |  |  |  | $ 1,200 |  |  |  |  |  |
Number of Gaming Units |  |  | 1,100 |  |  |  |  |  |  |  |
Number of Locations |  |  | 210 |  |  |  |  |  |  |  |
Lattner Entertainment Group Illinois, LLC [Member] | Project Development, Preopening, and Writedowns Expense [Member] |  |  |  |  |  |  |  |  |  |  |
Business Combination, Acquisition Related Costs |  |  |  |  |  | $ 0 | $ 400 |  | $ 700 |  |

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